Effect of Si-spacer layer thickness on magnetic and magnetoresistive properties of Co/Si/Co/GaAs(0 0 1)
2009
Abstract The magnetization process of Co/Si/Co/GaAs was studied as a function of Si-spacer layer thickness. Coercivity of Co/Si decreased with increasing Si-spacer layer thickness.The Hysteresis loop changed from two phases to a single phase with decreasing temperature and Si-spacer layer thickness. Magnetoresistance (MR) ratio in current-perpendicular-to-plane (CPP) configuration increased with decreasing Si-spacer layer thickness.
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